Wireless Door Alarm System PIR Motion Sensor 38 Ringtones Adjustable Volume Home Office Security Use 1 Piece

Two operating modes are available: LED flashing only or ringing and LED flashing. The channel detector has three volume levels: high, medium, and low. There are 38 ringtones to choose from. The receiver has an effective range of up to 70 meters. The sensor has a detection range of 3-7 meters. It can be successfully used in homes, offices, shops, hotels, or other buildings. It's great for alerting business owners who are working in the background or out of sight when customers enter the store. It can also be used as a signal when a pet is ready to come in or go out. Applications include: driveway alarm, burglar alarm, vehicle intrusion alarm, critter detector, car alarm (indoors), warehouse monitor, utility cabinet alarm, garage and shed monitor, mailbox sensor, and front door or sidewalk detection. The package includes: an electronic plug-in receiver, a PIR motion sensor detector (powered by 3 AAA batteries, NOT INCLUDED) and English instructions.